Home / 9,138,982.92-12,611,934.36-5,008,981.02

Finding the Fourth Proportional to 9,138,982.92, 12,611,934.36 and 5,008,981.02

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Solution

The fourth proportional to 9,138,982.92, 12,611,934.36 and 5,008,981.02 is: 6,912,469.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138,982.92 : 12,611,934.36 = 5,008,981.02 : x
  2. Step 2: Convert to fraction form
    9,138,982.92/12,611,934.36 = 5,008,981.02/x
  3. Step 3: Cross multiply
    9,138,982.92x = 12,611,934.36 × 5,008,981.02
  4. Step 4: Simplify right side
    9,138,982.92x = 63,172,939,834,725.84
  5. Step 5: Solve for x
    x = 63,172,939,834,725.84/9,138,982.92
  6. Step 6: Final answer
    x = 6,912,469.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.